The FT323R is a highly integrated USB-to-Asynchronous Serial Data Transfer (UART) IC designed by FTDI Chip. It is the spiritual and technical successor to the iconic FT232R, addressing modern low-power and low-voltage requirements while retaining full driver compatibility. The "R" in its name signifies an integrated and integrated clock (no external crystal required), making it a complete System-on-Chip (SoC) for USB-serial conversion.
If you are designing a new product that requires USB-to-serial conversion, unless you need 5V I/O (rare in new designs). The combination of integrated clock, low-voltage I/O, and FTDI’s mature driver ecosystem makes it the safest, most reliable choice for production environments. ft323r usb uart
The internal EEPROM (93C56-compatible) is programmable over USB using FTDI’s free utility. You can set: The FT323R is a highly integrated USB-to-Asynchronous Serial